#!/usr/bin/python
#Filename:reference.py

print 'Simple Assignment'
shoplist = ['apple', 'mango', 'carrot', 'banana']
mylist = shoplist #mylist is just another name pointing to the same object!

del shoplist[0]

print 'shoplist is', shoplist
print 'mylist is', mylist
#notice that both shoplist and mylist print the same list without
#the 'apple' confirming that they point to the same object

print 'Copy by making a full slice'
mylist = shoplist[:] #make a copy by doing a full slice
del mylist[0] #remove first item

print 'shoplist is', shoplist
print 'mylist is', mylist
#notice that now the two lists are different
